三面翻楼顶大字制作广告牌却可以凭着内置电机带动三菱柱转动，轮换三面展示，使得原本只能容纳一个楼顶大字制作广告位的空间变成三个楼顶大字制作广告位！
Three face turn billboard but can be driven by a built-in motor MITSUBISHI column rotation, rotation three surface display, making it can only accommodate one ad space into three advertising space!
但是相对于其他的户外的楼顶大字制作广告情势来说，三面翻的楼顶大字制作广告牌却有许多的好处。
But compared to other forms of outdoor advertising, the three side of the billboard has a lot of advantages.
很多城市为了进步形象及品位，渐渐撤换通俗的白皮楼顶大字制作广告牌为三面翻楼顶大字制作广告牌。
In order to improve the image of many city and grade, gradually replaced the ordinary white billboard three billboards.
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